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<script>
function init()
{
  description("Tests behavior under a lost context for OffscreenCanvas in a worker");

  if (!window.OffscreenCanvas) {
    testPassed("No OffscreenCanvas support");
    finishTest();
    return;
  }

  var worker = new Worker('context-lost-worker.js');
  worker.postMessage("Start worker");
  worker.onmessage = function(e) {
    const fn = e.data.fail ? testFailed : testPassed;
    fn(e.data.msg);
    if (e.data.finishTest) {
      finishTest();
    }
    return;
  }
}

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